120303343312403 has 4 divisors (see below), whose sum is σ = 120303365390208. Its totient is φ = 120303321234600.

The previous prime is 120303343312351. The next prime is 120303343312447. The reversal of 120303343312403 is 304213343303021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120303343312403 - 2¹² = 120303343308307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120303343312403.

It is not an unprimeable number, because it can be changed into a prime (120303343312903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3649550 + ... + 15935052.

It is an arithmetic number, because the mean of its divisors is an integer number (30075841347552).

Almost surely, 2^{120303343312403} is an apocalyptic number.

120303343312403 is a deficient number, since it is larger than the sum of its proper divisors (22077805).

120303343312403 is an equidigital number, since it uses as much as digits as its factorization.

120303343312403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22077804.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 120303343312403 its reverse (304213343303021), we get a palindrome (424516686615424).

The spelling of 120303343312403 in words is "one hundred twenty trillion, three hundred three billion, three hundred forty-three million, three hundred twelve thousand, four hundred three".